{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:MQNIXF3TB5TNYRIESYN7TYQHYI","short_pith_number":"pith:MQNIXF3T","canonical_record":{"source":{"id":"cond-mat/0402218","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-02-09T15:34:47Z","cross_cats_sorted":[],"title_canon_sha256":"358cd33e5650cb330ae2bdaaa7a20fff6927db35ce33bd4d2f1a0e11742809cc","abstract_canon_sha256":"2f2ca79c85bcaa37c48d82d691d6d65c4e2bbfe21a35262594b349a738438417"},"schema_version":"1.0"},"canonical_sha256":"641a8b97730f66dc4504961bf9e207c20a4bc0dcb3372a2511ea74870753927e","source":{"kind":"arxiv","id":"cond-mat/0402218","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0402218","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0402218v1","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0402218","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"pith_short_12","alias_value":"MQNIXF3TB5TN","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"pith_short_16","alias_value":"MQNIXF3TB5TNYRIE","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"pith_short_8","alias_value":"MQNIXF3T","created_at":"2026-07-04T16:45:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:MQNIXF3TB5TNYRIESYN7TYQHYI","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0402218","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-02-09T15:34:47Z","cross_cats_sorted":[],"title_canon_sha256":"358cd33e5650cb330ae2bdaaa7a20fff6927db35ce33bd4d2f1a0e11742809cc","abstract_canon_sha256":"2f2ca79c85bcaa37c48d82d691d6d65c4e2bbfe21a35262594b349a738438417"},"schema_version":"1.0"},"canonical_sha256":"641a8b97730f66dc4504961bf9e207c20a4bc0dcb3372a2511ea74870753927e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:45:46.411370Z","signature_b64":"V6a5v3IzE3f+H6vi8oF4oO6aJT5fgIP9JGae5yOeQqChGcQEfvd5l4s/FE48qHmSGFwjyKUDipyuGRWB7o0tBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"641a8b97730f66dc4504961bf9e207c20a4bc0dcb3372a2511ea74870753927e","last_reissued_at":"2026-07-04T16:45:46.410946Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:45:46.410946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0402218","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:45:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6rNhdBSJNEpxY8GPQIhU6L35n+BT9ur1NufnSBLNNlGaGPmbzEaoYp41tPlazs8lidEZNIJTtaoKZOoVnRxFAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T19:31:00.189854Z"},"content_sha256":"8a600562b6de50577903723007d46a3808bd0a1713a3ed37ba89dbaf3a0ab25d","schema_version":"1.0","event_id":"sha256:8a600562b6de50577903723007d46a3808bd0a1713a3ed37ba89dbaf3a0ab25d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:MQNIXF3TB5TNYRIESYN7TYQHYI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electronic structure and light-induced conductivity in a transparent refractory oxide","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A.J. Freeman, J.E. Medvedeva, M.I. Bertoni, T.O. Mason","submitted_at":"2004-02-09T15:34:47Z","abstract_excerpt":"Combined first-principles and experimental investigations reveal the underlying mechanism responsible for a drastic change of the conductivity (by 10 orders of magnitude) following hydrogen annealing and UV-irradiation in a transparent oxide, 12CaO.7Al2O3, found by Hayashi et al. The charge transport associated with photo-excitation of an electron from H, occurs by electron hopping. We identify the atoms participating in the hops, determine the exact paths for the carrier migration, estimate the temperature behavior of the hopping transport and predict a way to enhance the conductivity by spec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0402218","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0402218/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:45:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6K+JpTqGooNPvPnyKiflFEGu4sT8gg7y9+QgxNzajmO+wQH0wwNFtwdmFtEFBp96O9TEr9CorvcXGdAwJkffAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T19:31:00.190202Z"},"content_sha256":"faad4a169671ccdcf9e07347ff63a938ffaf26dd445ed49071c24404597b565b","schema_version":"1.0","event_id":"sha256:faad4a169671ccdcf9e07347ff63a938ffaf26dd445ed49071c24404597b565b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MQNIXF3TB5TNYRIESYN7TYQHYI/bundle.json","state_url":"https://pith.science/pith/MQNIXF3TB5TNYRIESYN7TYQHYI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MQNIXF3TB5TNYRIESYN7TYQHYI/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T19:31:00Z","links":{"resolver":"https://pith.science/pith/MQNIXF3TB5TNYRIESYN7TYQHYI","bundle":"https://pith.science/pith/MQNIXF3TB5TNYRIESYN7TYQHYI/bundle.json","state":"https://pith.science/pith/MQNIXF3TB5TNYRIESYN7TYQHYI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MQNIXF3TB5TNYRIESYN7TYQHYI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:MQNIXF3TB5TNYRIESYN7TYQHYI","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"2f2ca79c85bcaa37c48d82d691d6d65c4e2bbfe21a35262594b349a738438417","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-02-09T15:34:47Z","title_canon_sha256":"358cd33e5650cb330ae2bdaaa7a20fff6927db35ce33bd4d2f1a0e11742809cc"},"schema_version":"1.0","source":{"id":"cond-mat/0402218","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0402218","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0402218v1","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0402218","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"pith_short_12","alias_value":"MQNIXF3TB5TN","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"pith_short_16","alias_value":"MQNIXF3TB5TNYRIE","created_at":"2026-07-04T16:45:46Z"},{"alias_kind":"pith_short_8","alias_value":"MQNIXF3T","created_at":"2026-07-04T16:45:46Z"}],"graph_snapshots":[{"event_id":"sha256:faad4a169671ccdcf9e07347ff63a938ffaf26dd445ed49071c24404597b565b","target":"graph","created_at":"2026-07-04T16:45:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/cond-mat/0402218/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Combined first-principles and experimental investigations reveal the underlying mechanism responsible for a drastic change of the conductivity (by 10 orders of magnitude) following hydrogen annealing and UV-irradiation in a transparent oxide, 12CaO.7Al2O3, found by Hayashi et al. The charge transport associated with photo-excitation of an electron from H, occurs by electron hopping. We identify the atoms participating in the hops, determine the exact paths for the carrier migration, estimate the temperature behavior of the hopping transport and predict a way to enhance the conductivity by spec","authors_text":"A.J. Freeman, J.E. Medvedeva, M.I. Bertoni, T.O. Mason","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-02-09T15:34:47Z","title":"Electronic structure and light-induced conductivity in a transparent refractory oxide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0402218","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:8a600562b6de50577903723007d46a3808bd0a1713a3ed37ba89dbaf3a0ab25d","target":"record","created_at":"2026-07-04T16:45:46Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"2f2ca79c85bcaa37c48d82d691d6d65c4e2bbfe21a35262594b349a738438417","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2004-02-09T15:34:47Z","title_canon_sha256":"358cd33e5650cb330ae2bdaaa7a20fff6927db35ce33bd4d2f1a0e11742809cc"},"schema_version":"1.0","source":{"id":"cond-mat/0402218","kind":"arxiv","version":1}},"canonical_sha256":"641a8b97730f66dc4504961bf9e207c20a4bc0dcb3372a2511ea74870753927e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"641a8b97730f66dc4504961bf9e207c20a4bc0dcb3372a2511ea74870753927e","first_computed_at":"2026-07-04T16:45:46.410946Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:45:46.410946Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"V6a5v3IzE3f+H6vi8oF4oO6aJT5fgIP9JGae5yOeQqChGcQEfvd5l4s/FE48qHmSGFwjyKUDipyuGRWB7o0tBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:45:46.411370Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0402218","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a600562b6de50577903723007d46a3808bd0a1713a3ed37ba89dbaf3a0ab25d","sha256:faad4a169671ccdcf9e07347ff63a938ffaf26dd445ed49071c24404597b565b"],"state_sha256":"4c247a5f2c8a34e120af501eb2139cd82b3df30ba05bb3f875240a2356ef04e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3DPioON4fyj+X6OaiQVgyxqR8CTXdwVvIU5fuApuW8w9agHybaMyiuO+zn/++qLZDi/M7TnglXNFTNo4f4sJDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T19:31:00.194785Z","bundle_sha256":"e01e1e1c8fc2ca96a37ba7df4ae3959dc401d8c47e849cf8afa6ed684b4b062f"}}